Which of the following is a non-metal that remains liquid at room temperature ?

1.Bromine

2.Chlorine

3.Helium

4.Phosphorus

1 . Bromine

• Bromine is a synthetic component with symbol Br and nuclear number 35.
• It is the third-lightest halogen, and is a fuming red-brown fluid at room temperature that dissipates promptly to frame a comparably shaded gas.
• In this properties are intermediate between those of chlorine and iodine.